<?php

var_dump(__LINE__);

var_dump(__FILE__);

interface Usb{
	public function data();
}


interface Hdmi{
	public function view();
}


class Pc implements Usb,Hdmi{
	public function online()
	{
		echo "online";
	}

	public function data()
	{
		# code...
	}
	public function view()
	{
		# code...
	}
}
var_dump(__LINE__);
$obj = new Pc();